... Due to the motions of the comet and the Earth, the direction to the comet (as seen against the stars in the background) continuously changes during the observation. ...
... Rapid Changes in the Inner Coma of Comet Hyakutake . ESO Press Photo 25a-d/96; 19 March 1996. ... from E.S.O. The most recent ESO observations of bright Comet Hyakutake have shown rapid changes in the innermost coma, within a ...
... In addition to the comet, the picture contains the images of three very different types of objects: stars with relatively sharp trails (e.g. the comparatively bright one, just below the comet image), several extended (diffuse) galaxies, and an artificial ...
... Changes in the Inner Coma of Comet Hyakutake (March 1996): acrobatic observations of this nice comet with a great telescope and ... Comet 1992a Helin-Alu, a nice distant comet, on its discoverer page . ...